- The cpu fan header is connected and runs when the pc is powered on. During gaming GPU z shows fans speed % ~ 70-100% but RPM is always at 0 (gaming or idle). My AI suite starts them at 100% so I think there is something in your bios. This time the fans ran at top speed! Method 1: Restart your computer. The power, RAM, and MOBO leds turn on but the computer does not. Third-Party Software: This is a software solution and it does not work with all motherboards. Jack Hey How to Fix a CPU Fan Not Spinning Troubleshooting your CPU fan. So, first things first. Controlling the CPU fan speed in your PC (or all the fans, in fact) is a way to give you more control over your Windows 10 experience. Need help for this easily fixable C program. So I went over my whole system again, flipped the switch and now at least the fans spin up, then shut down one second later, using the case power button, but reset button did not work. Make sure the electrical power is isolated and do it carefully to avoid damaging components. By Is the power cable plugged into the wall and the ot… Kid Kakashi I'm using 3 pin fans. Wellyes Linus Media Group is not associated with these services. Started 20 minutes ago CPU fan is 4pin, but the issue is definitely in software. A beep code will give … I think this issue is because of how headers work. This will reset the BIOS setting to the “new” computer defaults. When i turn my computer on it doesn't spin and after a while the system just shuts itself down without warning because of this. I messed around with the fan profiles, but those are the same profiles you select within Fan Xpert, so no real different there. Thanks for everyone's help though! I dusted out the original PSU and re-installed it. Posted in Peripherals, Linus Media Group For more information, click this privacy policy Cleaning your fan is not an easy task if you haven’t done it before. If you tell a big enough lie and tell it frequently enough it will be believed. Took off back, cleaned fans, redid thermal paste on CPU/heat sink. Started 5 minutes ago You need to be a member in order to leave a comment. vvvv. Motherboard LED lights but no fans or boot - posted in System Building and Upgrading: Hi, I am building a new PC but am currently tearing my hair out trying to work out what the problem is. I was told it was just the motherboard. Started 19 minutes ago Lovotom remove the BIOS cell that is present on your mother Bord and than fully unpower your computer after some time press the power button but dont connect power supply to your computer press it for 1 min than connect power supply to your computer than you will see computer fans are start working it will tack time to start up but your computer will start believe me cause im facing same … CPU fan is 4pin, but the issue is definitely in software. Does the same thing, CPU fan spins for half a second and stops. Power cord is fine, f10 will not start BIOS. Could it be a dead mobo? I'm using the default (no auto setting) setting in the software & bios, but still get this issue. When it was off for a while, it was cool, so the fan wouldn't start up yet. My problem is the same as many others I have seen listed. Posted in Troubleshooting, By I put the fans in a few months ago, and this is the first time they've acted up. Make … I went into the BIOS, couldn't find any settings to get them to start up at 100%. Computer turns on but no display and CPU fan doesn't spin, Computer not booting, CPU fan spins but inconsistent, GPU fans stop after 5 sec. If this is the case, does anybody know of any other fan control software that does start the case fans at 100% on boot? The manual says to short the two pins while the PC is turned off and then undo the short before you turn it back on (page 24 if you download and unzip the manual). New Power Supply, $33. However, if I give them a little push / blow on them, they then start spinning. Hello, first unplug 4 pin connector check fan is spin up or not... if not...problem coming from VRM section. The manual also says you have video connectors on the system board for VGA or DVI. Note: restoring the computer to factory settings will delete all the data from the computer. Yeah I thought the same thing too. - The 8 pin cpu header, 20+4 pin mobo cable, and 8 pin pcie cable are all plugged in the right way and tightly. I powered off. Replacement Motherboard, $20. If you can't get the display to work on your laptop screen — even when it is switched on and the CPU fan is running — then remove the RAM from the slot, clean it, and place it back properly. Do you get a lot of brown-outs and you shutdown the power in the room that doesn't mean much. Thanks for the help. With 3pin fans you should try to leave BIOS settings at auto or default/normal if you are using software. I had same problem. I have recently been having issues with my cpu fan. Tried turning the computer on again, by using screw driver to short the power switch pins. - When I try to update bios using Qflash Plus, the Qflash Plus LED doesn't light up and the bios doesn't get updated. You reserve the right to access and change your personal data, aswell as the right to request its deletion within the limits permitted by law. Powered by Invision Community. I replaced the onboard battery. I made absolutely no modifications, I just woke up to this. I just wanted to talk to rregular folks rather get screwed putting too much into this one to folks telling me what I already knew. 3pin or 4pin fans? Other Reasons. ^^^^ That's my post ^^^^ Or is there a BIOS setting I'm missing? If PC cannot boot, you may check if it is CPU fan not working that causes to damage of the motherboard. The information gathered is for Communitic International to ensure the sending of the newsletter. (You can also try inserting it in another slot.) Posted in Cases and Mods, By There is a jumper labeled JBAT1 which is near the CMOS battery. A few words of thanks would be greatly appreciated. Started 16 minutes ago Shteve. However, the fact that nothing happens is a clue in and of itself. Sign up for a new account in our community. You can make sure that the system isn't too loud, with the fan only spinning up faster when your PC gets warm. This goes on and on automatically for at least 8-10 times. Turn on suggestions. Started 14 minutes ago If you still have access in your computer please back up all the important data from the computer and try PC restore step which will set the computer to factory settings. If you know where they are, short-out the two pins with the jumper OTHERWISE just leave the computer unplugged for at least 10 minutes or longer. The information will be used subject to terms and conditions, for advertising purposes. I ordered the motherboard online because they wanted to charge me $200 for it so I said f it, I will do it myself. Posted in General Discussion, By Started 15 minutes ago Problem: When powering up the system, the CPU fan starts to spin (I can hear like CPU is starting too), but suddenly after 4-5 seconds, it stops; and then after another 3-4 seconds it starts to spin again; but then stops after 4-5 secs. So I'm having an issue with my case fans not spinning on boot. suriya2210 After 2 seconds everything turns off and immediately turns back on with same result, over and over. Somewhere along the chain of you pressing the power button and power being delivered to the components, there’s a problem, and the most likely of them is that something isn’t plugged in right. jcee Posts: 11 +0. I took my new & old power supply to the repair shop & was told both work fine & hard drive works fine. (Returned it) I am absolutely stuck. 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